9911331199 has 16 divisors (see below), whose sum is σ = 12445896960. Its totient is φ = 7667544960.

The previous prime is 9911331173. The next prime is 9911331203.

9911331199 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9911331199 - 2⁵ = 9911331167 is a prime.

It is a super-2 number, since 2×9911331199² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9911391199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452314 + ... + 473719.

It is an arithmetic number, because the mean of its divisors is an integer number (777868560).

Almost surely, 2^9911331199 is an apocalyptic number.

9911331199 is a deficient number, since it is larger than the sum of its proper divisors (2534565761).

9911331199 is a wasteful number, since it uses less digits than its factorization.

9911331199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926190.

The product of its digits is 59049, while the sum is 46.

The square root of 9911331199 is about 99555.6688441196. The cubic root of 9911331199 is about 2148.0480715181.

The spelling of 9911331199 in words is "nine billion, nine hundred eleven million, three hundred thirty-one thousand, one hundred ninety-nine".